/Engine/Source/Runtime/AnimGraphRuntime/Public/AnimSequencerInstanceProxy.h
Update an animation sequence player in this instance
void UpdateAnimTrack ( [UAnimSequenceBase](API\Runtime\Engine\Animation\UAnimSequenceBase) * InAnimSequence, uint32 SequenceId, [TOptional](API\Runtime\Core\IO\TOptional)< float > InFromPosition, float InToPosition, float Weight, bool bFireNotifies )